FR1458245A - Method and device for measuring distances by reflection of ultrasonic pulses, and determining their propagation time by counting electrical pulses - Google Patents

Method and device for measuring distances by reflection of ultrasonic pulses, and determining their propagation time by counting electrical pulses

Info

Publication number
FR1458245A
FR1458245A FR25031A FR25031A FR1458245A FR 1458245 A FR1458245 A FR 1458245A FR 25031 A FR25031 A FR 25031A FR 25031 A FR25031 A FR 25031A FR 1458245 A FR1458245 A FR 1458245A
Authority
FR
France
Prior art keywords
pulses
reflection
determining
propagation time
measuring distances
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
FR25031A
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Realisations Ultrasoniques SA
Original Assignee
Realisations Ultrasoniques SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Realisations Ultrasoniques SA filed Critical Realisations Ultrasoniques SA
Priority to FR25031A priority Critical patent/FR1458245A/en
Application granted granted Critical
Publication of FR1458245A publication Critical patent/FR1458245A/en
Priority to US565277A priority patent/US3372576A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/36Detecting the response signal, e.g. electronic circuits specially adapted therefor
    • G01N29/40Detecting the response signal, e.g. electronic circuits specially adapted therefor by amplitude filtering, e.g. by applying a threshold or by gain control
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B17/00Measuring arrangements characterised by the use of infrasonic, sonic or ultrasonic vibrations
    • G01B17/02Measuring arrangements characterised by the use of infrasonic, sonic or ultrasonic vibrations for measuring thickness
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S15/00Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/02Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
    • G01S15/06Systems determining the position data of a target
    • G01S15/08Systems for measuring distance only
    • G01S15/10Systems for measuring distance only using transmission of interrupted, pulse-modulated waves
    • G01S15/14Systems for measuring distance only using transmission of interrupted, pulse-modulated waves wherein a voltage or current pulse is initiated and terminated in accordance respectively with the pulse transmission and echo reception
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/523Details of pulse systems
    • G01S7/526Receivers
    • G01S7/527Extracting wanted echo signals
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00Indexing codes associated with group G01N29/00
    • G01N2291/02Indexing codes associated with the analysed material
    • G01N2291/028Material parameters
    • G01N2291/02854Length, thickness
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S367/00Communications, electrical: acoustic wave systems and devices
    • Y10S367/90Sonar time varied gain control systems
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S73/00Measuring and testing
    • Y10S73/901Digital readout

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Analytical Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Biochemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Acoustics & Sound (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
FR25031A 1965-07-17 1965-07-17 Method and device for measuring distances by reflection of ultrasonic pulses, and determining their propagation time by counting electrical pulses Expired FR1458245A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR25031A FR1458245A (en) 1965-07-17 1965-07-17 Method and device for measuring distances by reflection of ultrasonic pulses, and determining their propagation time by counting electrical pulses
US565277A US3372576A (en) 1965-07-17 1966-07-14 Digital ultrasonic thickness gauge

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR25031A FR1458245A (en) 1965-07-17 1965-07-17 Method and device for measuring distances by reflection of ultrasonic pulses, and determining their propagation time by counting electrical pulses

Publications (1)

Publication Number Publication Date
FR1458245A true FR1458245A (en) 1966-03-04

Family

ID=8584717

Family Applications (1)

Application Number Title Priority Date Filing Date
FR25031A Expired FR1458245A (en) 1965-07-17 1965-07-17 Method and device for measuring distances by reflection of ultrasonic pulses, and determining their propagation time by counting electrical pulses

Country Status (2)

Country Link
US (1) US3372576A (en)
FR (1) FR1458245A (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3482435A (en) * 1966-09-26 1969-12-09 Southwest Res Inst Ultrasonic inspection apparatus
US3533280A (en) * 1967-02-06 1970-10-13 Automation Ind Inc Ultrasonic material tester
US3665754A (en) * 1967-11-29 1972-05-30 Herbert Krautkramer Apparatus to prevent mismeasuring of wall thickness gauging by ultrasound
US3818898A (en) * 1970-03-16 1974-06-25 Diagnostics Electronics Corp Echo-encephalographic apparatus
US3827287A (en) * 1972-07-05 1974-08-06 Western Electric Co Methods of and apparatus for measuring the thickness of successive sections of a cable jacket
US3916676A (en) * 1972-07-05 1975-11-04 Western Electric Co Method of and apparatus for measuring automatically successive sections of an elongated material
US3808879A (en) * 1972-08-03 1974-05-07 Amf Inc Ultrasonic wall thickness measurement
CA973632A (en) * 1973-05-29 1975-08-26 Arthur C. Hudson Echoencephalograph
CH589277A5 (en) * 1973-11-26 1977-06-30 Western Electric Co
JPS57500304A (en) * 1980-02-22 1982-02-18

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3033029A (en) * 1958-01-14 1962-05-08 Sperry Prod Inc Amplifier gain compensator for variable ultrasonic signal response
US3175639A (en) * 1960-10-19 1965-03-30 Liben William Method for measuring formation porosity, permeability and mud cake thickness in oil well bore holes by sonic pulses
FR1368133A (en) * 1963-04-09 1964-07-31 Saxby ultrasonic snow depth measurement equipment

Also Published As

Publication number Publication date
US3372576A (en) 1968-03-12

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